Tubeza, P. C. (2002). NBI has serious doubts about latest Nida witness. Philippine Daily Inquirer.
Chicago-viite (17. p.)Tubeza, Philip C. "NBI Has Serious Doubts About Latest Nida Witness." Philippine Daily Inquirer 2002.
MLA-viite (9. p.)Tubeza, Philip C. "NBI Has Serious Doubts About Latest Nida Witness." Philippine Daily Inquirer, 2002.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.